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Wally (Tony Dow) needs to bring three friends along to the amusement park to qualify for a discount, but only Eddie (Ken Osmond) and Lumpy (Frank Bank) are available. With no other option, Wally decides to invite Beaver to go along. Things run smoothly until the foursome reaches the roller coaster. Thanks to the dire warnings of the prankish Eddie, Beav is terrified at the prospect of going for a ride on the coaster. But by the time the episode reaches its climax, guess who's frightened and who isn't?